Four Seasons 84911 Engine Coolant Water Outlet

Engine Coolant Water Outlet for GM Applications

Four Seasons 84911 is an engine coolant water outlet built for select 1980-1985 Buick, Chevrolet, Oldsmobile, and Pontiac applications. It is an OE-style replacement with aluminum construction, an included gasket or seal, and a thermostat-free design for vehicles that use a separate thermostat housing arrangement.

Key Features

• Aluminum construction for corrosion-resistant cooling system service
• Gasket or seal included for a proper sealing surface
• Outlet style, w/o thermostat
• Meets or exceeds OEM requirements
• Inlet diameter: 0.988 in.
• Bolt hole center to bolt hole center: 2.67 in. and 2.750 in.
• Maximum height: 2.709 in.
• Mounting flange width: 0.388 in.

Product Details

The Four Seasons Water Outlet line focuses on engine coolant components that restore proper coolant routing at the engine. Part number 84911 is a direct-fit style outlet for specific GM platforms, including Buick LeSabre, Buick Regal, Chevrolet Caprice, Chevrolet Monte Carlo, Oldsmobile Cutlass Supreme, Pontiac Bonneville, and Pontiac Grand Prix applications. This part cross-references Gates 31540 and Motorad CH3030 for the same application.

Built from aluminum, this coolant outlet is designed for vehicles that do not use an integrated thermostat in the outlet assembly. The included gasket or seal supports a cleaner sealing interface during replacement, while the OEM-level fitment specifications help match the original mounting points and coolant passage dimensions.

Common Repair Uses

• Replacing a leaking or corroded engine coolant water outlet
• Restoring coolant flow at the thermostat housing area
• Addressing coolant seepage around the outlet flange
• Repairing overheating concerns caused by a compromised coolant outlet
• Servicing GM cooling systems that require a thermostat-free outlet

Installation Notes and Tips

Verify the inlet diameter, bolt spacing, and outlet style before installation. Clean the mating surfaces thoroughly, inspect the surrounding hoses and clamps, and confirm that the thermostat is not part of this outlet assembly. This part is listed for select 1980-1985 Buick LeSabre, 1980-1983 Buick Regal, 1980-1984 Chevrolet Caprice, 1981-1984 Chevrolet Monte Carlo, 1980-1984 Oldsmobile Cutlass Supreme, and 1980-1984 Pontiac Bonneville applications, among others.

Quality Assurance

Four Seasons 84911 is listed as meeting or exceeding OEM requirements for the specified applications. The Four Seasons Water Outlet line is built to support accurate fitment and dependable cooling system service on select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.